3D trapping and manipulation of micro-particles using holographic optical tweezers with optimized computer-generated holograms
Chinese Optics Letters, Vol. 9, Issue 12, pp. 120010- (2011)
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Abstract
A multi-plane adaptive-additive algorithm is developed for optimizing computer-generated holograms for the reconstruction of traps in three-dimensional (3D) spaces. This algorithm overcomes the converging stagnation problem of the traditional multi-plane Gerchberg-Saxton algorithm and improves the diffraction efficiency of the holograms effectively. The optimized holograms are applied in a holographic optical tweezers (HOT) platform. Additionally, a computer program is developed and integrated into the HOT platform for the purpose of achieving the interactive control of traps. Experiments demonstrate that the manipulation of micro-particles into the 3D structure with optimized holograms can be carried out effectively on the HOT platform.
© 2011 Chinese Optics Letters
OCIS Codes
(090.1760) Holography : Computer holography
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
ToC Category:
Optical Trapping
Virtual Issues
Digital Holography and 3D Imaging 2011 (2011) Applied Optics
Citation
Tao Tao, Jing Li, Qian Long, and Xiaoping Wu, "3D trapping and manipulation of micro-particles using holographic optical
tweezers with optimized computer-generated holograms," Chin. Opt. Lett. 9, 120010- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-12-120010
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